87840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{61}}^1$

素因数の和:82

約数の個数: 72

約数和(自身を含む): 304668

約数和(自身を除く): 216828

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 61, 72, 80, 90, 96, 120, 122, 144, 160, 180, 183, 240, 244, 288, 305, 360, 366, 480, 488, 549, 610, 720, 732, 915, 976, 1098, 1220, 1440, 1464, 1830, 1952, 2196, 2440, 2745, 2928, 3660, 4392, 4880, 5490, 5856, 7320, 8784, 9760, 10980, 14640, 17568, 21960, 29280, 43920, 87840]

約数ペア:

[(1, 87840), (2, 43920), (3, 29280), (4, 21960), (5, 17568), (6, 14640), (8, 10980), (9, 9760), (10, 8784), (12, 7320), (15, 5856), (16, 5490), (18, 4880), (20, 4392), (24, 3660), (30, 2928), (32, 2745), (36, 2440), (40, 2196), (45, 1952), (48, 1830), (60, 1464), (61, 1440), (72, 1220), (80, 1098), (90, 976), (96, 915), (120, 732), (122, 720), (144, 610), (160, 549), (180, 488), (183, 480), (240, 366), (244, 360), (288, 305)]